Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

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1answer
250 views

Nagios compilation error on Centos

I am trying to install Nagios 4 on a Centos 7 machine using the instructions found here. When I get to the compilation and input make all I get this error: make[1]: *** No rule to make target `../...
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2answers
175 views

How can I monitor “primary and secondary” Cognos nodes?

We have several Content Managers in Cognos that are running: one as a primary, one as a secondary. I would like to be alerted if there isn't one node acting as primary, if the primary node changed, ...
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2answers
280 views

Nagios: check host service even if host is down

Is there a way to force nagios 3 to check a particular host's service (and notify such events) even if the host is down? The reason I ask so is that I have a service that checks if a host's IP ...
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2answers
1k views

Set different warning thresholds for Nagios on weekends

I'm using Nagios to monitor CPU usage on my servers with the check_load plugin. On weekends we have some batch jobs running and there are hardly any real users anyway, so I'd like to have the warning ...
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1answer
44 views

Nagios Notification Period Setting, Will Nagios Hold the Email?

I am sorry for getting a little lazy not to try it out, but considering it may be helpful for others too, so I ask this question. If I set Nagios notification period like: 7 am - 5 pm, Mon-Fri Once ...
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1answer
732 views

Negative values for storage size over SNMP

We ran out of space on a 5 TB volume on a Windows storage server, so we copied the data into a new 10 TB volume. Now our nagios-based monitoring is reporting data I'm not happy with. When I looked ...
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2answers
370 views

NAGIOS host availability test for host that can't be PINGed, won't talk to me, but can be traceroute'd

Part of my network estate has a fairly important dependency on a host whose availability is difficult to check. I have a number of hosts behind it, and my NAGIOS VPS provider occasionally has routing ...
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1answer
419 views

Is it possible to get host groups from nagios config to ansible?

We have already nice preconfigured nagios with hosts, host groups etc... Is it possible to get host groups from nagios to ansible? are there some plug-in/module which may allow us to do: ansible -...
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2answers
121 views

Nagiographer on Debian Wheezy work partialy

I made standard installation which is Nagios3 + Nagiosgrapher on Debian 7.6. In /etc/nagios3/nagios.cfg I added: process_performance_data=1 and service_perfdata_command=ngraph-process-service-...
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1answer
176 views

DataStax OpsCenter 5.0.0 API doesn't increase last_seen when nodes down if DataStax OpsCenter Agent is down, used to work with 3.2.2

I've been using the DataStax OpsCenter (Enterprise) 5.0.0 REST API with DSE 4.5.1 (Cassandra 2.0.9) to query the /$cluster_name/nodes endpoint and see the last_seen field for the number of seconds ...
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1answer
123 views

nagios core v4, please help me add more service checks for a single host

I am having difficulties understanding the documentation and would appreciate clarification. I have NRPE and nagios plugins installed from source on both the nagios server and its clients. Can ...
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1answer
152 views

New nagios/cacti monitoring setup, should I use a dedicated VM?

Currently we have 4 bare metal servers and one small VM server (all running centos6) and I'm looking at setting up monitoring for the Percona MySQL db server and replication slave (bare metal), as ...
2
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1answer
261 views

Nagios/Icinga: different passwords for each NSClient++ host

Is it possible to pass a different password to the check_nt/check_nrpe command for each windows host I have defined in my icinga configs? For example, I have 3 windows hosts define host { use ...
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2answers
52 views

Nagios Wrapper Script that Checks board [closed]

I am in need of a kind of automation script or program run in the Linux environment that can check my Nagios board and can display results or store it's results of the Host, Service, Description, etc ...
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1answer
234 views

Multiple monitoring machines for the same hosts

I'm fairly new to monitoring and am currently trying to setup a monitoring solution for our network infrastructure. Our hardware is pretty old and can therefore fail at any time. We have taken ...
3
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1answer
9k views

Nagios - check_ntp_time - Offset Unknown

I have a local NTP server running on the subnet to keep other subnet nodes in sync, without every node syncing with upstream servers. But, while implementing the check_ntp_time plugin for Nagios I am ...
3
votes
1answer
288 views

HP MSA 2312 XML API “Unauthorized access requested”

I'm trying to write a custom Nagios Plugin to monitor a HP MSA2312fc via the HTTP XML API. I can successfully log into the system via /api/login/{login_hash} but always get the error "Unauthorized ...
2
votes
2answers
281 views

Monitoring PSUs with local IPMI and Nagios

I'd like to use Nagios to monitor the redundant PSUs in my servers (running Debian Wheezy). I've run the sensors-detect script in the lm-sensors package, and the only thing it can find is Driver `...
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1answer
2k views

NSClient seems to be ignoring allow_nasty_meta_chars setting

I am trying to detect an eventlog entry on a server, so am trying to use the CheckEventLog command: ./check_nrpe -H hostname -c CheckEventLog -a MaxWarn=1 MaxCrit=1 "filter=generated gt -3d AND id=23 ...
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1answer
862 views

Integrating Nagios with a ticketing/incident management system [closed]

Is there a free ticketing system/incident management system which will help me in achieving the following? 1) If a service goes down then Nagios alerts the on-duty staff and pushes the status to some ...
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2answers
2k views

nagios contact groups to check_mk

I have Nagios installed with traditional configuration files. I have created some contact groups and assigned them to hosts. For web UI I'm using check_mk. And here's the question: Check_mk supports ...
5
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1answer
692 views

Nagios escalations, prematurely critical escalation after warning

In Nagios 3, I would like a service to be escalated after being critical XX minutes. It works great on services that go from UP to CRITICAL. However, if the service has been warning >XX minutes (say ...
0
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1answer
394 views

Use Nagios hostgroups in check_cluster --service check?

Is there a way to use hostgroups within a check_cluster --service check? I've only seen examples that list out each host in the cluster individually like this: define service{ ... ...
2
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1answer
644 views

Redundant monitoring with Nagios

I am working with Nagios 4.0.7 on two servers to monitor my network. Recently I developed the third one in order to have more redundancy so I start reading information about failover redundancy mostly ...
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2answers
4k views

Nagios CHECK_NRPE: Error receiving data from daemon. RHEL 6

So I'm trying to set up a Nagios check_load service on a Red Hat server. I followed the documentation from Red Hat to install the NRPE client: https://access.redhat.com/documentation/en-US/...
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1answer
437 views

Nagios: Specify a contact group for a whole host group?

I'm migrating a config from a very old version of Nagios (1.5 something I think) to Nagios 3.5.1. The config I'm moving has contact groups specified for the host groups. The new Nagios says Error: ...
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2answers
473 views

Is it reasonable to use Nagios to check that a service is NOT available?

Suppose I have a server with a private interface and a public interface. Public might have things like HTTP(S) servers, private might have MySQL and SSH. Obviously Nagios is useful to check that the ...
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1answer
124 views

Monitoring root certificate

For enterprise wide systems wherein SSL certs are utilized, what is the best way of monitoring root CAs or intermediate CAs? If the systems were on Linux OS. Are there nagios checks that can catch ...
0
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1answer
897 views

check_mysql_query cannot connect to mysql, but works from the command line

I have Nagios 3 running on Debian Wheezy. I am able to run the query the following query from the command line. The credentials for the mysql db are stored in ~nagios/.my.cnf nagios@intranet:~$ /usr/...
2
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2answers
4k views

Allowing nagios plugin check_dhcp to work without setuid root

Nagios has a plugin, check_dhcp, that does exactly what you'd think. It's widely suggested to install it setuid root, because it uses SO_BINDTODEVICE, which usually only root can do. Of course a ...
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2answers
231 views

On call schedule rotation nagios 4 [closed]

I have a monitoring platform installed under a RHEL 6.5 OS in a virtual machine (VMWare EsXi 5.1) consisting of nagios 4.0.7, mrtg 2.17.4 and cacti 0.8.8b. I was upgrading my contacts.cfg file and my ...
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1answer
1k views

check_http!--ssl actually checks http

When monitoring the SSL service on a host that runs HTTPS but not HTTP, Icinga warns about a 403 Forbidden return code. But that warning is for HTTP, not HTTPS. Manually running the check_http ...
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1answer
724 views

Nagios Schedule a Check on Command Line

I use Nagios Core 3.5.1. In order to skip the HTTP authentication (guest user without password could also be tedious), I turn off the Nagios authentication based on this article. (even though turning ...
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1answer
483 views

Nagios plugin check_snmp_int does not match regular expression

I am using nagios plugin check_snmp_int with -n switch. Help show: -n, --name=NAME Name in description OID (eth0, ppp0 ...). This is treated as a regexp : -n eth will match eth0,eth1,... ...
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1answer
82 views

icinga nrpe executes locally instead of server

I am very new to icinga. In fact I finished setting it up today. I am trying to monitor a bunch of stuff on my nrpe machines. I set up my services in /etc/icinga/objects/my.server.com.cfg and ...
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0answers
319 views

Nagios 3.5 can't send notification email despite nagios logs ok / centos6

I spent hours trying to make nagios send email notification. my contact configuration is quite simple : I juste have one : nagiosadmin, and he is the default contact. In /var/log/nagios.log, nagios ...
3
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1answer
236 views

icinga-web not updating icinga status properly

I have a problem similar to this one... if you look at the photo there, you'll see that the icinga server is marked as down. I checked everything according to the answer given there, but it has ...
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2answers
1k views

Truncating return data as it is bigger then NRPE allows

I'm using latest NSCLIENT on a Win Server 2012, and see: Truncating return data as it is bigger then NRPE allows in the log file. How can I fix this?
4
votes
2answers
3k views

Overriding Nagios hostgroup service with host service

I currently am experimenting with defining a set of services to all hosts in a hostgroup, this is working fine. My issue is that I then want to be able to override these service definitions which ...
1
vote
1answer
218 views

Nagios check fails: UWSGI CRITICAL: could not connect() to workers Operation now in progress

All seems to be installed and work as it should (site/server is running) but keep getting this error: UWSGI CRITICAL: could not connect() to workers Operation now in progress when running: uwsgi --...
2
votes
1answer
408 views

Why isn't snmptt translating this trap?

I have a device that is sending snmp v1 traps and snmptt cannot translate them. To grab a copy of the trap, I stopped the snmptt service, and copied the trap to /tmp. The OID I'm trying to trigger ...
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2answers
165 views

Orthogonally defining services and contacts for a host/hostgroup?

I'm trying to turn our Icinga spaghetti into something more manageable and less repetitive. So far features like templates, object inheritance, multiple inheritance, hostgroups, servicegroups, etc ...
2
votes
1answer
889 views

How to test nagios send_nsca with netcat

I am trying to write a unit test of send_nsca using nc but it is failing. I want to start nc to listen to the nsca port and then use send_ncsa to send a message to that port. In one terminal I am ...
4
votes
1answer
758 views

Custom nagios command, append $HOSTADDRESS$

I'm very new to nagios, and trying to get a custom command to bend to my will. I have looked through various examples, and can't find anyone appending the $HOSTADDRESS$ macro, so maybe I have to go ...
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0answers
338 views

'check_tomcat.pl' plugin returning CRITICAL: /manager/status?XML=true HTTP/1.1 404 Not Found

I don't know what I'm doing wrong. I'm trying to use this plugin, check_tomcat.pl but it doesn't seem to be configured correctly. Keeps returning the error: CRITICAL: http://myhostname:8080/manager/...
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votes
1answer
1k views

Nagios nrpe check_nrpe plugin missing [closed]

installed nagios nrpe into remote machine from ubuntu repository sudo apt-get install nagios-nrpe-server and plugins as sudo apt-get install nagios-plugins-basic nagios-plugins nagios-plugins-...
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1answer
169 views

Nagios check_snmp (New Response) CRITICAL 7

I have got a new critical figure / output as 7 SNMP CRITICAL - *7* What does above 7 refer to?
0
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1answer
181 views

Setting downtimes in Nagios/Icinga via SCCM

At our company we have quite a lot of Windows 2012/2008 servers which are updated automatically (and sometimes rebooted) via SCCM. All our servers are monitored via Icinga/Nagios. If the servers are ...
2
votes
1answer
15k views

“CHECK_NRPE: Socket timeout after 10 seconds” HTTPS / SSL

I have configured NAGIOS server on IP address AA.BB.CC.DD (Linux Fedora 20), and Monitoring the host with IP address LL.MM.NN.OO (Linux Fedora 20). I have configured NRPE to run on port # 15666 ...
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0answers
93 views

Nagios external commands getting processed intermittently

I have a script that runs every 10 mins that updates the Host Comments field in Nagios. There are about 600 hosts and I am seeing some issues. The script deletes the previous comments and adds new ...